namespace WebApi.Test.Entity;

/// <summary>
/// TransactionCategory 实体测试
/// </summary>
public class TransactionCategoryTest : BaseTest
{
    [Fact]
    public void Icon字段_应该接受Iconify标识符格式()
    {
        // Arrange
        var category = new TransactionCategory
        {
            Name = "餐饮",
            Type = TransactionType.Expense
        };

        // Act
        category.Icon = "mdi:food";

        // Assert
        category.Icon.Should().Be("mdi:food");
        category.Icon.Should().Contain(":");
        category.Icon.Length.Should().BeLessThanOrEqualTo(50);
    }

    [Fact]
    public void Icon字段_应该允许为空()
    {
        // Arrange & Act
        var category = new TransactionCategory
        {
            Name = "交通",
            Type = TransactionType.Expense,
            Icon = null
        };

        // Assert
        category.Icon.Should().BeNull();
    }

    [Fact]
    public void Icon字段_应该遵守长度限制50字符()
    {
        // Arrange
        var category = new TransactionCategory
        {
            Name = "购物",
            Type = TransactionType.Expense
        };

        var validIcon = "mdi:shopping-cart"; // 合法长度
        var tooLongIcon = new string('a', 51); // 超过50字符

        // Act
        category.Icon = validIcon;

        // Assert
        category.Icon.Should().Be(validIcon);
        category.Icon.Length.Should().BeLessThanOrEqualTo(50);

        // 验证长度限制（实际数据库插入时会被截断或报错）
        tooLongIcon.Length.Should().BeGreaterThan(50);
    }

    [Fact]
    public void IconKeywords字段_应该接受JSON数组格式()
    {
        // Arrange
        var category = new TransactionCategory
        {
            Name = "餐饮",
            Type = TransactionType.Expense
        };

        // Act
        category.IconKeywords = "[\"food\", \"restaurant\", \"dining\"]";

        // Assert
        category.IconKeywords.Should().NotBeNullOrEmpty();
        category.IconKeywords.Should().StartWith("[");
        category.IconKeywords.Should().EndWith("]");
        category.IconKeywords.Should().Contain("food");
    }

    [Fact]
    public void IconKeywords字段_应该允许为空()
    {
        // Arrange & Act
        var category = new TransactionCategory
        {
            Name = "交通",
            Type = TransactionType.Expense,
            IconKeywords = null
        };

        // Assert
        category.IconKeywords.Should().BeNull();
    }

    [Fact]
    public void IconKeywords字段_应该遵守长度限制200字符()
    {
        // Arrange
        var category = new TransactionCategory
        {
            Name = "旅游",
            Type = TransactionType.Expense
        };

        var validKeywords = "[\"travel\", \"vacation\", \"tourism\", \"trip\"]"; // 合法长度
        var tooLongKeywords = "[" + string.Join(",", Enumerable.Repeat("\"keyword\"", 30)) + "]"; // 超过200字符

        // Act
        category.IconKeywords = validKeywords;

        // Assert
        category.IconKeywords.Should().Be(validKeywords);
        category.IconKeywords.Length.Should().BeLessThanOrEqualTo(200);

        // 验证长度限制
        tooLongKeywords.Length.Should().BeGreaterThan(200);
    }

    [Fact]
    public void TransactionCategory_应该继承自BaseEntity()
    {
        // Arrange & Act
        var category = new TransactionCategory
        {
            Name = "测试分类",
            Type = TransactionType.Expense
        };

        // Assert
        category.Should().BeAssignableTo<BaseEntity>();
        category.Id.Should().BeGreaterThan(0); // Snowflake ID
        category.CreateTime.Should().BeCloseTo(DateTime.Now, TimeSpan.FromSeconds(1));
    }

    [Fact]
    public void TransactionCategory_应该包含必需字段()
    {
        // Arrange & Act
        var category = new TransactionCategory
        {
            Name = "餐饮",
            Type = TransactionType.Expense,
            Icon = "mdi:food",
            IconKeywords = "[\"food\"]"
        };

        // Assert
        category.Name.Should().NotBeNullOrEmpty();
        category.Type.Should().Be(TransactionType.Expense);
        category.Icon.Should().NotBeNullOrEmpty();
        category.IconKeywords.Should().NotBeNullOrEmpty();
    }

    [Theory]
    [InlineData("mdi:home")]
    [InlineData("fa:shopping-cart")]
    [InlineData("tabler:airplane")]
    [InlineData("fluent:food-24-regular")]
    public void Icon字段_应该支持多种图标集格式(string iconIdentifier)
    {
        // Arrange
        var category = new TransactionCategory
        {
            Name = "测试",
            Type = TransactionType.Expense
        };

        // Act
        category.Icon = iconIdentifier;

        // Assert
        category.Icon.Should().Be(iconIdentifier);
        category.Icon.Should().Contain(":");
    }
}